问题
填空题
206G转向架支柱扁销磨耗、腐蚀超过（）mm时更换。
答案
参考答案：3
搜题请搜索小程序“爱下问搜题”
206G转向架支柱扁销磨耗、腐蚀超过（）mm时更换。
参考答案：3
| 完形填空。 | ||||
| I have a happy family. There 1 four people in my family. They are my father, my mother, my sister and 2 . My father is a 3 , and he works in a factory (工厂). He thinks it's a boring job. He wants 4 a policeman. My mother is a teacher. She works 5 a school. She thinks 6 job is very interesting. She works hard and often comes back home late. In her free time, she likes reading 7 and maga  zines. My sister is 8 . She is about one year old. I am a student. I 9 in a school. I like singing. I want to be a 10 when I grow up. | ||||
|